Module net

Returns True if `address` is a valid IPv4 address.

>>> validipaddr('192.168.1.1')
True
>>> validipaddr('192.168.1.800')
False
>>> validipaddr('192.168.1')
False

Returns True if `port` is a valid IPv4 port.

>>> validipport('9000')
True
>>> validipport('foo')
False
>>> validipport('1000000')
False

Returns either (ip_address, port) or "/path/to/socket" from string_

>>> validaddr('/path/to/socket')
'/path/to/socket'
>>> validaddr('8000')
('0.0.0.0', 8000)
>>> validaddr('127.0.0.1')
('127.0.0.1', 8080)
>>> validaddr('127.0.0.1:8000')
('127.0.0.1', 8000)
>>> validaddr('fff')
Traceback (most recent call last):
    ...
ValueError: fff is not a valid IP address/port

Quotes a string for use in a URL.

>>> urlquote('://?f=1&j=1')
'%3A//%3Ff%3D1%26j%3D1'
>>> urlquote(None)
''
>>> urlquote(u'\u203d')
'%E2%80%BD'

Formats a datetime object for use in HTTP headers.

>>> import datetime
>>> httpdate(datetime.datetime(1970, 1, 1, 1, 1, 1))
'Thu, 01 Jan 1970 01:01:01 GMT'

Parses an HTTP date into a datetime object.

>>> parsehttpdate('Thu, 01 Jan 1970 01:01:01 GMT')
datetime.datetime(1970, 1, 1, 1, 1, 1)

Encodes `text` for raw use in HTML.

>>> htmlquote("<'&\">")
'&lt;&#39;&amp;&quot;&gt;'

Decodes `text` that's HTML quoted.

>>> htmlunquote('<'&">')
'<\'&">'

Converts `val` so that it's safe for use in UTF-8 HTML.

>>> websafe("<'&\">")
'&lt;&#39;&amp;&quot;&gt;'
>>> websafe(None)
''
>>> websafe(u'\u203d')
'\xe2\x80\xbd'